From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37935) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBJGN-00016s-Af for qemu-devel@nongnu.org; Thu, 06 Feb 2014 02:20:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WBJGI-0006En-5N for qemu-devel@nongnu.org; Thu, 06 Feb 2014 02:20:43 -0500 Received: from mail-ph.de-nserver.de ([85.158.179.214]:56167) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBJGH-0006EP-I0 for qemu-devel@nongnu.org; Thu, 06 Feb 2014 02:20:37 -0500 Message-ID: <52F337BF.4090509@profihost.ag> Date: Thu, 06 Feb 2014 08:20:31 +0100 From: Stefan Priebe - Profihost AG MIME-Version: 1.0 References: <52F27A13.7090003@profihost.ag> <20140205201501.GL2398@work-vm> In-Reply-To: <20140205201501.GL2398@work-vm> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] QEMU LIve Migration - swap_free: Bad swap file entry List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Dr. David Alan Gilbert" Cc: qemu-devel , "pve-devel@pve.proxmox.com" Am 05.02.2014 21:15, schrieb Dr. David Alan Gilbert: > * Stefan Priebe (s.priebe@profihost.ag) wrote: >> Hello, >> >> after live migrating machines with a lot of memory (32GB, 48GB, ...) >> i see pretty often crashing services after migration and the guest >> kernel prints: >> >> [1707620.031806] swap_free: Bad swap file entry 00377410 >> [1707620.031806] swap_free: Bad swap file entry 00593c48 >> [1707620.031807] swap_free: Bad swap file entry 03201430 >> [1707620.031807] swap_free: Bad swap file entry 01bc5900 >> [1707620.031807] swap_free: Bad swap file entry 0173ce40 >> [1707620.031808] swap_free: Bad swap file entry 011c0270 >> [1707620.031808] swap_free: Bad swap file entry 03c58ae8 >> [1707660.749059] BUG: Bad rss-counter state mm:ffff88064d09f380 >> idx:1 val:1536 >> [1707660.749937] BUG: Bad rss-counter state mm:ffff88064d09f380 >> idx:2 val:-1536 >> >> Qemu is 1.7 >> >> Does anybody know a fix? > > I don't, but some more information about: > 1) What guest you're running Linux guest the output is also from the guest. Kernel 3.10.26 > 2) The configuration of your hosts What do you mean by that? > 3) The command line (or XML if you're running libvirt) for > your qemu so we can see what devices you're running. qemu -chardev socket,id=qmp,path=/var/run/qemu-server/179.qmp,server,nowait -mon chardev=qmp,mode=control -vnc unix:/var/run/qemu-server/179.vnc,x509,password -pidfile /var/run/qemu-server/179.pid -daemonize -name K31953 -smp sockets=1,cores=16 -nodefaults -boot menu=on,strict=on,reboot-timeout=1000 -vga cirrus -cpu kvm64,+lahf_lm,+x2apic,+sep -k de -m 32768 -device piix3-usb-uhci,id=uhci,bus=pci.0,addr=0x1.0x2 -device usb-tablet,id=tablet,bus=uhci.0,port=1 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 -drive if=none,id=drive-ide2,media=cdrom,aio=native -device ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200 -device virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5 -drive file=rbd:...,if=none,id=drive-scsi0,iops_rd=1000,iops_wr=500,bps_rd=314572800,bps_wr=209715200,aio=native,discard=on -device scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100 -netdev type=tap,id=net0,ifname=tap179i0,script=/var/lib/qemu-server/pve-bridge,vhost=on -device virtio-net-pci,mac=CA:CA:23:AC:2D:C5,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300 -rtc base=localtime -machine type=pc-i440fx-1.7 > Do you get any messages on either the source or destination > qemu during the migrate? no Stefan